The important thing seems to be whether glibc implies linux, not the other way around. If glibc implies linux, then
#if defined(__linux__) || defined(__GLIBC__) can be reduced to #if defined(__linux__) The issue is that all of our CMake decisions are based on OS platform. If I want to conditionally compile an entire file based on one of these conditions, I need to translate it into something that fits well into the CMake build. On Thu, Sep 11, 2014 at 9:01 PM, Reid Kleckner <r...@google.com> wrote: > On Thu, Sep 11, 2014 at 7:07 PM, Zachary Turner <ztur...@google.com> > wrote: > >> Thanks. In some places we check __GLIBC__ explicitly. I guess what I'm >> wondering is: is there some reason this isn't equivalent to some >> combination of OS define checks? >> > > You can use alternative libcs on Linux, like musl: > http://www.musl-libc.org/ > > Android, for example, uses a Linux kernel with the Bionic libc > implementation, so it's complicated. =/ >
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